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Science and the modern world ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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427,091 braille cells · 450 embossed pages at 40×25 · 306 unrepresentable characters omitted

⠀⠔⠀⠱⠊⠡⠀⠺⠑⠀⠉⠕⠝⠎⠊⠙⠻⠀⠮⠀⠏⠗⠕⠏⠻⠞⠊⠑⠎⠀⠀⠷⠀⠧⠜⠊⠳⠎⠀
⠋⠥⠝⠉⠞⠊⠕⠝⠎⠀⠷⠀⠥⠝⠙⠑⠞⠻⠍⠔⠫⠀⠁⠗⠛⠥⠍⠢⠞⠎⠲⠀⠠⠋⠔⠁⠇⠇⠽⠀
⠮⠀⠏⠜⠞⠊⠉⠥⠇⠜⠀⠀⠋⠥⠝⠉⠞⠊⠕⠝⠎⠂⠀⠎⠥⠡⠀⠵⠀⠮⠀
⠞⠗⠊⠛⠕⠝⠕⠍⠑⠞⠗⠊⠉⠁⠇⠀⠋⠥⠝⠉⠞⠊⠕⠝⠎⠂⠀⠯⠀⠮⠀⠇⠕⠛⠜⠊⠹⠍⠊⠉
⠀⠀⠋⠥⠝⠉⠞⠊⠕⠝⠎⠂⠀⠯⠀⠮⠀⠁⠇⠛⠑⠃⠗⠁⠊⠉⠀⠋⠥⠝⠉⠞⠊⠕⠝⠎⠂⠀
⠁⠗⠑⠀⠛⠢⠻⠁⠇⠊⠎⠫⠀⠊⠝⠞⠕⠀⠮⠀⠊⠙⠑⠁⠀⠷⠀⠀⠼⠦⠁⠝⠽⠀
⠋⠥⠝⠉⠞⠊⠕⠝⠲⠄⠀⠠⠞⠕⠕⠀⠇⠜⠛⠑⠀⠁⠀⠛⠢⠻⠁⠇⠊⠎⠁⠞⠊⠕⠝⠀
⠇⠑⠁⠙⠎⠀⠞⠕⠀⠍⠻⠑⠀⠃⠜⠗⠢⠝⠑⠎⠎⠲⠀⠠⠭⠀⠀⠊⠎⠀⠮⠀⠇⠜⠛⠑⠀
⠛⠢⠻⠁⠇⠊⠎⠁⠞⠊⠕⠝⠂⠀⠇⠊⠍⠊⠞⠫⠀⠃⠽⠀⠁⠀⠓⠁⠏⠏⠽⠀
⠏⠜⠞⠊⠉⠥⠇⠜⠊⠞⠽⠂⠀⠱⠊⠡⠀⠊⠎⠀⠀⠮⠀⠋⠗⠥⠊⠞⠋⠥⠇⠀
⠉⠕⠝⠉⠑⠏⠞⠊⠕⠝⠲⠀⠠⠿⠀⠊⠝⠌⠁⠝⠉⠑⠀⠮⠀⠊⠙⠑⠁⠀⠷⠀⠁⠝⠽⠀
⠉⠕⠝⠞⠔⠥⠳⠎⠀⠀⠋⠥⠝⠉⠞⠊⠕⠝⠂⠀⠱⠻⠑⠃⠽⠀⠮⠀⠇⠊⠍⠊⠞⠁⠞⠊⠕⠝⠀⠷
⠀⠉⠕⠝⠞⠔⠥⠊⠞⠽⠀⠊⠎⠀⠊⠝⠞⠗⠕⠙⠥⠉⠫⠂⠀⠊⠎⠀⠮⠀⠀⠋⠗⠥⠊⠞⠋⠥⠇⠀
⠊⠙⠑⠁⠀⠱⠊⠡⠀⠓⠁⠎⠀⠇⠫⠀⠞⠕⠀⠍⠕⠌⠀⠷⠀⠮⠀⠊⠍⠏⠕⠗⠞⠁⠝⠞⠀
⠁⠏⠏⠇⠊⠉⠁⠞⠊⠕⠝⠎⠲⠀⠠⠹⠊⠎⠀⠀⠗⠊⠎⠑⠀⠷⠀⠁⠇⠛⠑⠃⠗⠁⠊⠉⠀
⠁⠝⠁⠇⠽⠎⠊⠎⠀⠴⠀⠉⠕⠝⠉⠥⠗⠗⠢⠞⠀⠾⠀⠠⠙⠑⠎⠉⠜⠞⠑⠎⠄⠀
⠙⠊⠎⠉⠕⠧⠻⠽⠀⠷⠀⠀⠁⠝⠁⠇⠽⠞⠊⠉⠁⠇⠀⠛⠑⠕⠍⠑⠞⠗⠽⠂⠀⠯⠀⠮⠝⠀⠾⠀
⠮⠀⠊⠝⠧⠢⠞⠊⠕⠝⠀⠷⠀⠮⠀⠊⠝⠋⠔⠊⠞⠑⠎⠊⠍⠁⠇⠀⠀⠉⠁⠇⠉⠥⠇⠥⠎⠀⠃⠽
⠀⠠⠝⠑⠺⠞⠕⠝⠀⠯⠀⠠⠇⠑⠊⠃⠝⠊⠵⠲⠀⠠⠞⠗⠥⠇⠽⠂⠀⠠⠏⠽⠹⠁⠛⠕⠗⠁⠎⠂
⠀⠊⠋⠀⠓⠑⠀⠉⠳⠇⠙⠀⠓⠀⠀⠿⠑⠎⠑⠢⠀⠮⠀⠊⠎⠎⠥⠑⠀⠷⠀⠮⠀⠞⠗⠁⠔⠀⠷⠀
⠹⠳⠛⠓⠞⠀⠱⠊⠡⠀⠓⠑⠀⠸⠓⠀⠎⠑⠞⠀⠛⠕⠬⠀⠺⠳⠇⠙⠀⠀⠓⠀⠋⠑⠇⠞⠀
⠓⠊⠍⠎⠑⠇⠋⠀⠋⠥⠇⠇⠽⠀⠚⠥⠌⠊⠋⠊⠫⠀⠔⠀⠦⠀⠃⠗⠕⠮⠗⠓⠕⠕⠙⠀⠾⠀
⠊⠞⠎⠀⠑⠭⠉⠊⠞⠑⠍⠢⠞⠀⠀⠷⠀⠍⠽⠌⠻⠊⠳⠎⠀⠗⠊⠞⠑⠎⠲⠀⠀⠀⠀⠠⠮⠀
⠏⠕⠔⠞⠀⠱⠊⠡⠀⠠⠊⠀⠝⠪⠀⠺⠁⠝⠞⠀⠞⠕⠀⠍⠁⠅⠑⠀⠊⠎⠀⠞⠀⠹⠊⠎⠀
⠙⠕⠍⠔⠁⠝⠉⠑⠀⠷⠀⠮⠀⠊⠙⠑⠁⠀⠷⠀⠀⠋⠥⠝⠉⠞⠊⠕⠝⠁⠇⠊⠞⠽⠀⠔⠀⠮⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.